Alert archive / New York / Flash Flood Warnings in 2005

Flash Flood Warning 16, NWS Buffalo, NY

July 18, 2005Erie County, New York

NWS Buffalo, NY issued this flash flood warning at Jul 18, 2005, 2:14 PM EDT for Erie County, New York. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 18, 2005, 2:14 PM EDT (18:14 UTC)
Expired
Jul 18, 2005, 5:15 PM EDT
In force
3 hr
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Erie County, NY

The radar

The Buffalo radar (KBUF), 48 km from the middle of the area, began a volume at 18:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.2 hours before the alert went out and 46 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2005-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1367 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2005-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1367 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
707 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS51 KBUF 181816
FFWBUF
NYC029-182115-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
214 PM EDT MON JUL 18 2005

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN ERIE COUNTY IN WESTERN NEW YORK

* UNTIL 515 PM EDT

* AT 210 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM NEAR COLLINS IN ERIE COUNTY.

* THE STORM PRODUCING FLASH FLOODING WILL MOVE EAST AT LESS THAN 10
  MPH.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 4246 7890 4250 7867 4262 7868 4257 7891

$$

BLACKBURN
2 follow-up statements
000 
WGUS71 KBUF 181912
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
310 PM EDT MON JUL 18 2005

NYC029-182115-
ERIE NY-
310 PM EDT MON JUL 18 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 515 PM EDT FOR SOUTHERN ERIE
COUNTY...

AT 310 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT 
THE STORM THAT PROMPTED THE WARNING HAD DISSIPATED, BUT THAT CLOSE 
TO 3 INCHES OF RAIN HAD FALLEN IN THE TOWN OF COLLINS. THERE IS A 
THREAT OF ADDITIONAL STORMS IN THE AREA THIS AFTERNOON.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 4246 7890 4250 7867 4262 7868 4257 7891

$$

BLACKBURN
000 
WGUS71 KBUF 182049
FFSBUF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE BUFFALO NY
450 PM EDT MON JUL 18 2005

NYC029-182100-
ERIE NY-
450 PM EDT MON JUL 18 2005

...THE FLASH FLOOD WARNING FOR ERIE COUNTY IS CANCELLED...

AT 450 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THAT THE
THUNDERSTORM THAT PROMPTED THE WARNING HAD EXITED THE AREA...THUS THE
FLOOD WARNING HAS BEEN CANCELLED.

LAT...LON 4246 7890 4250 7867 4262 7868 4257 7891

$$

SFM

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 17, 10:09 PM EDTFlash Flood WarningBUFLewis, Oswego3 hr

Nearby

Flash Flood Warnings in New York, 2005Every flash flood warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.